That explains your short node title. If you thought, "hey I want the reverse version of the range...", you might have put a title such "Reversing Perl range". In this case, there was a great chance that you would resolve it yourself without firing a node. The good side is you generated a pretty high attention and resulted in a pretty interesting thread :-)
Update: I would FP this myself.
Open source softwares? Share and enjoy. Make profit from them if you can. Yet, share and enjoy!